Can we solve for a and b, from
$a-b = x$
$a \oplus b = y$
Even when x and y can be negative?
I tried substituting the value of a in xor equation from the difference,
$\Rightarrow (b+x)\oplus b = y$
Since $b \oplus b$ is 0
$\Rightarrow x \oplus b = y$
But, then how to solve for b?